0.05) bulundu. OHT grubunda, kontrol grubuna göre SKK daha yüksek bulunurken, (OHT grubunda 568±23.3 µm, kontrol grubunda 526±26.2 µm) kontrast duyarlılık değerleri arasındaki fark istatistiksel olarak anlamlı bulunmadı. 100 Hue ile renk görme testinde Total Hata Skoru (THS) ile Mavi-Sarı Aks (MSA) hata skorları OHT grubunda daha yüksek bulunurken, Kırmızı-Yeşil Aks (KYA) hata skorları arasında fark tespit edilmedi. Sonuç: OHT olgularının takibinde M-S perimetrinin MD parametresi daha duyarlı görünmektedir. OHT grubunda kontrast duyarlılığın daha düşük olması ve 100 Hue testinin mavi-sarı aksındaki hata skorları daha fazla olmasına rağmen, bu konuda ileriye dönük yeni çalışmalara ihtiyaç vardır.">

Turkiye Klinikleri Journal of Ophthalmology

.: ORIGINAL RESEARCH
Oküler Hipertansiyonlu Olgularda Görme Alanı, Kontrast Duyarlılık, Santral Korneal Kalınlık ve Farnsworth-Munsell 1 Hue Test Sonuçlarının Değerlendirilmesi
THE ASSESSMENT OF AUTOMATED PERIMETRY, CONTRAST SENSITIVITY, CENTRAL CORNEAL THICKNESS AND FARNSWORTH-MUNSELL 1 HUE TEST RESULTS IN OCULAR HYPERTENSION
Abdullah KARACAa, Üzeyir GÜNENÇa, Zeynep ÖZBEKa, Güray ÇINGILa, Mehmet H. ERGİNa
aGöz Hastalıkları AD, Dokuz Eylül Üniversitesi Tıp Fakültesi, İZMİR
Turkiye Klinikleri J Ophthalmol. 2004;13(4):185-92
Article Language: TR
Full Text
ÖZET
 Amaç: Oküler hipertansiyonlu (OHT) olgularda görme alanı, kontrast duyarlılık, santral korneal kalınlık (SKK), Farnsworth-Munsell 100 Hue testi ile renk görmenin değerlendirilmesi ve bu değerlerin normal populasyonla karşılaştırılması. Gereç ve Yöntemler: Dokuz Eylül Üniversitesi Tıp Fakültesi Göz Hastalıkları AD, Glokom Biriminde Ocak 1999 - Nisan 2003 tarihleri arasında OHT tanısı ile takip edilen 25 olguya ve kontrol grubu olarak 25 sağlıklı bireye tam bir oftalmolojik muayeneyi takiben, otomatik perimetri ile (Humphrey System Model 750, 30-2 "Full Threshold" testi) Mavi-Sarı (M-S) ve Beyaz- Beyaz (B-B) görme alanı değerlendirmesi yapıldı. Onsekiz ay sonra ölçümler tekrarlanarak sonuçlar karşılaştırıldı. İlave olarak her iki gruba sadece onsekiz ay sonraki kontrollerinde "VCİ Vision Contrast Test System" ile kontrast duyarlılık, Orbscan II korneal topografi cihazı ile SKK ölçümü ve Farnsworth-Munsell 100 Hue ile renk görme testi yapılarak sonuçlar karşılaştırıldı. Bulgular: OHT grubunda yaş ortalaması 54.7±9.71, ortalama göz içi basıncı (GİB): 23.4±1.82 mmHg idi. Başlangıçta M-S perimetride ortalama "Mean Deviasyon" (Ortalama Sapma) (MD): -2.93±0.62, Patern Standart Deviasyon (PSD): 3.48±0.88, Kısa Dönem Fluktuasyon ?Dalgalanma (SF): 2.94±0.76 iken, B-B perimetride MD: -1.44±0.50, PSD: 2.06±0.81, SF: 1.9±0.62 olarak ölçüldü. Kontrol grubunda yaş ortalaması 52.3±8.64, ortalama GİB:16.4 ±2.56 mmHg idi. M-S perimetride ortalama MD: -3.61±0.54, PSD: 3.72±0.71, SF: 2.4±0.43, B-B perimetride MD: -1.68±0.48, PSD: 2.0±0.74 SF: 1.84±0.42 olarak ölçüldü. Takipler sırasında OHT grubundaki iki olguda glokom geliştiği için bu olgular çalışmadan çıkarıldı. Onsekiz ayın sonunda OHT grubunda M-S perimetride ortalama MD:-4.95±0.72, PSD: 3.72±0.53, SF:2.34±0.41, B-B perimetride MD:-1.63±0.37, PSD:2.14±0.57, SF:2.86±0.63 bulundu. Kontrol grubunda M-S perimetride ortalama MD:-4.81±0.56, PSD:3.94±0.45, SF:2.6±0.51, B-B perimetride MD:-1.66±0.32, PSD:2.21±0.44, SF: 1.78±0.26 bulundu. OHT grubunda M?S perimetrideki MD daki artış istatistiksel olarak anlamlı (p<0.05) bulundu. Her iki tür görme alanındaki parametreler arasındaki diğer farklar istatistiksel olarak anlamsız (p>0.05) bulundu. OHT grubunda, kontrol grubuna göre SKK daha yüksek bulunurken, (OHT grubunda 568±23.3 µm, kontrol grubunda 526±26.2 µm) kontrast duyarlılık değerleri arasındaki fark istatistiksel olarak anlamlı bulunmadı. 100 Hue ile renk görme testinde Total Hata Skoru (THS) ile Mavi-Sarı Aks (MSA) hata skorları OHT grubunda daha yüksek bulunurken, Kırmızı-Yeşil Aks (KYA) hata skorları arasında fark tespit edilmedi. Sonuç: OHT olgularının takibinde M-S perimetrinin MD parametresi daha duyarlı görünmektedir. OHT grubunda kontrast duyarlılığın daha düşük olması ve 100 Hue testinin mavi-sarı aksındaki hata skorları daha fazla olmasına rağmen, bu konuda ileriye dönük yeni çalışmalara ihtiyaç vardır.

Anahtar Kelimeler: Kontrast duyarlılık, mavi-sarı perimetri,oküler hipertansiyon, 1 hue test
ABSTRACT
 Objective: To evaluate the results of automated perimetry, central corneal thickness (CCT), contrast sensitivity and Farnsworth-Munsell 100 Hue test in Ocular Hypertension (OHT) and compare these results with those of normal population. Material and Methods: Twenty-five patients examined at Department of Ophthalmology, Dokuz Eylul University School of Medicine between January 1999 and April 2003 and diagnosed to have OHT and 25 healthy volunteers were included in the study. After a thorough ophthalmologic examination, Humphrey blue-on-yellow (B-Y) and white-white (W-W) perimetry were performed to both the study and control groups at the initial visit. After eighteen months , two groups were compared by means of Humphrey automated perimetry, CCT, contrast sensitivity and Farnsworth-Munsell 100 Hue colour test results. Results: At the initial visit, B-Y perimetry parameters were as follows in OHT group: Mean Deviation (MD):-2.93±0,62, Pattern Standard Deviation (PSD):3.48±0,88, Short Time Fluctation (SF):2.94±0.76. The W-W perimetry parameters of the same group were as follows; MD:-1.44±0.50, PSD:2.06±0,81, SF:1.9±0.62. In the control group B-Y perimetry parameters were; MD:-3.61±0.54, PSD:3.72±0.71, SF:2.4±0.43, W-W perimetry parameters were MD:-1.68±0.48, PSD:2.0±0.74, SF:1.84±0.42. Two patients were excluded from the OHT group since they underwent glaucomatous progression. After eighteen months, in OHT group, B-Y perimetry, parameters were MD:?4.95±0.72, PSD: 3.72±0.53, SF:2.34±0.41. W-W perimetry results were; MD:-1.63±0.37, PSD:2.14±0.57, SF:2.86±0.63. In the control group B-Y perimetry parameters were; MD: -4.81±0.56, PSD: 3,94±0.45, SF:2.6±0.51, and W-W perimetry parameters were; MD:-1.66±0.32, PSD: 2.21±0.44, SF:1.78±0.26. No statistically significant difference could be detected between the groups except MD results in B-Y perimetry (p>0.05). In addition to perimetry, two groups were evaluated with CCT (Orbscan II), contrast sensitivity (VCI Vision Contrast Test System) and with Farnworth Munsell 100 Hue colour test. No statistically signicificant difference could be detected between the two groups with regard to CCT (568±23,3 µm in OHT group, 526±26,2 µm in control group) and contrast sensivity despite lower contrast sensitivities in all spatial frequencies in OHT group. In Farnsworth Munsell 100 Hue test, no difference was present at red-green axis, but Total Error Scors (TES) and Blue-Yellow Axis (BYA) error scors were significantly higher in OHT group. Conclusion: MD parameter of the B-Y perimetry seems to be more sensitive for the follow up of OHT. Although higher BYA error scores and lower contrast sensitivity levels are detected in the OHT group, more studies are needed to decide the predictive values of these tests.

Keywords: Contrast Sensitivity , blue on yellow perimetry, ocular hypertension , 1 hue test

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